Find the last 4 digits (ZIP+4) for an address in 52140

ZIP 52140, Dorchester, IA is filled in. Just type the street address.

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ZIP Code 52140 – Dorchester, IA

Dorchester, Iowa · Allamakee County · Central time

ZIP code52140
CityDorchester
StateIowa
CountyAllamakee CountyWinneshiek County
Population671
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area73.82 sq mi
Center (lat, long)43.4456, -91.5346

Area codes in this area

563319

These are the area codes that most often serve ZIP 52140 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

52149 Highlandville · 7.9 mi55931 Eitzen · 8.7 mi52160 New Albin · 9.3 mi55974 Spring Grove · 10.7 mi52172 Waukon · 12.3 mi55921 Caledonia · 12.4 mi52101 Decorah · 13.1 mi55954 Mabel · 14.5 mi

About ZIP 52140

ZIP code 52140 is assigned to Dorchester, Iowa. It crosses 2 counties; most of its land is in Allamakee County. Its Census area covers about 73.82 square miles of land. The closest neighboring ZIP is 52149 (Highlandville), about 7.9 miles away.

Every address in 52140 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources